Appearance

Nymphaea odorata is an rooted aquatic perennial herb with large floating flowers and leaves.

Foliage

Leaves are round, narrowly cut almost to the center, 10 in. (25.4 cm) across, and bright green on top and the underside is reddish or purplish.

Flowers

There is one flower to a stem. Flowers are white to pink, round in shape, and 2-6 in. (5-15.2 cm) across with more than 25 thick pointed petals.

Fruit

After flowering, the stalk will contract and create a globe shaped fruit with several seeds that matures under the water then the fruit will break away and float to the surface of the water to be eaten by wildlife.

Ecological Threat

Nymphaea odorata is found in ponds, lakes, and streams. It is native to all US states except Alaska, Hawaii, North Dakota, and Wyoming. Nymphaea odorata is considered an invasive exotic in California and Washington. It is becoming rare in some of its native range. Connecticut lists Nymphaea odorata as a species of special concern.

Selected Images

Maps

Invasive Listing Sources

• Pacific Northwest Exotic Pest Plant Council, 1998
• Washington Noxious Weeds

References